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LarsMW
Member Since: 15 Feb 2024
Location: Valdres
Posts: 18
  
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| Almost does not move when cold |
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My 2012 3.0 SDV6 is VERY lazy in the morning and after work (9 hours):
When I start up with cold engine and try to reverse out there is almost NO power at all. I can rev i N, but not in R.
After a little while it behaves 100% perfect. It never happens when starting warm engine.
It is a little bit better now the summer is here, but in winter with sub zero it was a nightmare.
Help...
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 13th May 2024 9:56 am |
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NJSS
Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 10803
 
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Is your Fuel Burning Heater working correctly?
NJSS
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| 13th May 2024 10:24 am |
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LarsMW
Member Since: 15 Feb 2024
Location: Valdres
Posts: 18
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Yes - works like a breeze
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| 13th May 2024 10:26 am |
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Oswiperus
D3 Decade
Member Since: 02 Apr 2010
Location: Chelmsford, Essex
Posts: 1599
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I don't know the answer to your problem but using low range in reverse when cold would help you out for the time being. Stu
2016 D4 Landmark current
2022 Defender D300 SE Gone 
D4 2014 XS Commercial - Gone
D4 2016 hse lux montalcino red - Gone
D3 2005 se java black - current
D3 2005 base manual - gone
D2 1999 TD5 E white - current
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| 13th May 2024 1:36 pm |
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LarsMW
Member Since: 15 Feb 2024
Location: Valdres
Posts: 18
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If in put in in D and drive 1-2m it works in R as well...
EGR?
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| 13th May 2024 1:38 pm |
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Worms
Member Since: 24 Sep 2023
Location: Highlands
Posts: 401
 
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There was a similar thread recently, but I'm not sure there was ever a proper diagnosis. My view on that one was that this happens when the EGR doesn't close properly on shut down. Once it gets a bit of warm exhaust through it, then it is all back to normal. I've had this happen on a few random occasions and managed to convince myself that a spray of EGR cleaner in the air intake helps, despite logic telling me that it is highly unlikely to work! Certainly the spray seems to make the error codes go away for a (short) while.
Do you have any EGR-related error codes? Previously:
2010 FL2 TD4e GS
‘93 Defender 110 200TDi CSW - still got this, non-runner on SORN.
‘87 Defender 90 4 cyl Petrol
‘83 110 CSW V8 - best ever!
Range Rover 2-door V8 (not sure of year - 4-speed box and vacuum diff switch)
Series III SWB Diesel
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| 13th May 2024 2:05 pm |
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LarsMW
Member Since: 15 Feb 2024
Location: Valdres
Posts: 18
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Hi
Finally a sober feedback 
I have no errors what so ever on my GAP tool.
I have a can of EGR-cleaner, but not sure where to use it. Can you advise me on that?
If that does not work I reckon new EGR valve? Can I tell if it works by using the GAP tool on live data?
Thanks!
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| 13th May 2024 2:09 pm |
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Worms
Member Since: 24 Sep 2023
Location: Highlands
Posts: 401
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If you have no error codes (including pending codes) on the GAP Tool, then your EGR is probably fine! Also, I thought I had seen on here that with the D4, the check engine light on the dash comes on if the EGR is playing up? My D3 is old enough not to have a check engine light at all!
From memory, I think the Live Values on the GAP tool let you see the % that the two EGR valves are open. You can look at that when you start up and then get someone else to watch it when you are driving, to see if it is opening and closing properly.
I believe that you can get three different kinds of EGR cleaner - one as a fuel additive, one to use if you have the EGR removed from the vehicle and one that you spray into the intake air system. In my case, I've used the third kind, spraying bursts of cleaner into the intake pipe immediately after the air filter box (and after the MAF sensor), with the engine running at idle speed. It may just be coincidence that it seemed to temporarily stop the EGR fault codes but, as snake-oil goes, this is at the cheaper end of possible fixes.
To be honest, though, NJSS's point above is a good one - with a remote on the Fuel Burning Heater, all these cold starting issues just disappear! Previously:
2010 FL2 TD4e GS
‘93 Defender 110 200TDi CSW - still got this, non-runner on SORN.
‘87 Defender 90 4 cyl Petrol
‘83 110 CSW V8 - best ever!
Range Rover 2-door V8 (not sure of year - 4-speed box and vacuum diff switch)
Series III SWB Diesel
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| 13th May 2024 9:38 pm |
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Worms
Member Since: 24 Sep 2023
Location: Highlands
Posts: 401
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LarsMW wrote:Hi
I have no errors what so ever on my GAP tool.
On my D3 that would be a sure sign that my GAP Tool was broken!  Previously:
2010 FL2 TD4e GS
‘93 Defender 110 200TDi CSW - still got this, non-runner on SORN.
‘87 Defender 90 4 cyl Petrol
‘83 110 CSW V8 - best ever!
Range Rover 2-door V8 (not sure of year - 4-speed box and vacuum diff switch)
Series III SWB Diesel
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| 13th May 2024 9:42 pm |
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itsaguything
Member Since: 20 Dec 2023
Location: Manotick, On
Posts: 257
  
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@worms, that was funny!
It may seem unrelated to many but I had the same experience with the diesel on the boat.
After sorting the intake situation, all is corrected.
But there is an ECM in the way so I would think filters and especially the MAF would have an effect. 2015 LR4 HSE Lux Aintree Green
2013 LR2 HSE Radiance Red
2007 XKR Jaguar Racing Green
2005 XJR Jaguar Racing Green
2002 S-Type R British Racing Green
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| 14th May 2024 10:10 am |
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NCC-1031
Member Since: 30 Jan 2019
Location: Clanfield, Hampshire
Posts: 381
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I have this same with mine - especially if i havent prewarmed the engine with the altox. Its only an issue if i have left it to reverse up a hump, in this case , I throw it in drive and move it forward a knotch then reverse is happy. - Possibly an issue with the torque converter??
Steve
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| 14th May 2024 12:23 pm |
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